Block top - The block selection and length from the blockchain (in blocks) on development of the current block Nonce - The transaction range with the from address (Remember this starts off at 0 so a nonce of a hundred would actually be the 101st transaction submitted by this account) https://bookmarkfox.com/story5852429/not-known-facts-about-blockchain-explorer-unconfirmed-transaction-https-hedge-fachschaft-informatik-uni-kl-de-nnpg48bpspmldanhox94bq